Finding the Third Proportional to 260,563.50 and 571,005

Step by Step Solution

1. Step 1: Write the proportion equation
   260,563.50 : 571,005 = 571,005 : x
2. Step 2: Convert to fraction form
   260,563.50/571,005 = 571,005/x
3. Step 3: Cross multiply
   260,563.50x = 571,005 × 571,005
4. Step 4: Simplify right side
   260,563.50x = 326,046,710,025
5. Step 5: Solve for x
   x = 326,046,710,025/260,563.50
6. Step 6: Final answer
   x = 1,251,313.83